package servlet;

import service.CategoryService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "admin_category_delete",urlPatterns = "/admin/category_delete")
public class AdminCategoryDeleteServlet extends HttpServlet {
    private CategoryService tService = new CategoryService();
    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        int id = Integer.parseInt(request.getParameter("id"));
        boolean isSuccess = tService.delete(id);
        if(isSuccess) {
            request.setAttribute("msg", "删除成功");
        }else {//类别里还有商品存在
            request.setAttribute("failMsg", "类目下包含商品，无法直接删除类目！");
        }
//        request.getRequestDispatcher("/admin/category_list").forward(request, response);
        response.sendRedirect(request.getContextPath() + "/admin/category_list");
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }
}
